233140281 has 16 divisors (see below), whose sum is σ = 347001600. Its totient is φ = 138010320.

The previous prime is 233140273. The next prime is 233140283. The reversal of 233140281 is 182041332.

It is not a de Polignac number, because 233140281 - 2³ = 233140273 is a prime.

It is a super-2 number, since 2×233140281² = 108708781249517922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233140283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80731 + ... + 83568.

It is an arithmetic number, because the mean of its divisors is an integer number (21687600).

Almost surely, 2^233140281 is an apocalyptic number.

It is an amenable number.

233140281 is a deficient number, since it is larger than the sum of its proper divisors (113861319).

233140281 is a wasteful number, since it uses less digits than its factorization.

233140281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164356.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 233140281 is about 15268.9318879875. The cubic root of 233140281 is about 615.4684170159.

The spelling of 233140281 in words is "two hundred thirty-three million, one hundred forty thousand, two hundred eighty-one".